Seattle Mariners Executive Vice President & General Manager of Baseball Operations Justin Hollander announced today the ...

Mariners FanFest is returning in a big way. The club’s first such event since 2019 -- slated for Jan. 31 and Feb. 1 -- has ...

Congratulations are in order for former Seattle Mariners outfielder Guillermo Heredia, who is going to continue the fantastic ...

Former MLB pitcher Mike Campbell, a key piece in the blockbuster trade that brought Hall of Famer Randy Johnson to Seattle, has died. He was 61. The Mariners, who selected Campbell in the first round ...

The Seattle Mariners need to make a big move to replace Jorge Polanco and Eugenio Suárez in their infield. There are a few potential options in free agency, but it seems like the Mariners might dive ...

The Seattle Mariners appear set to add another All-Star player to their roster. Seattle recently won the American League West in 2025 and came within one game of reaching the World Series. Yet they ...

Cardinals team sources have said St. Louis won't trade Brendan Donovan unless the package offered in return blows them away. Dilip Vishwanat / Getty Images The Seattle Mariners and San Francisco ...

The Mariners have lost their top remaining priority this offseason. The Mets outbid the Mariners for free agent Jorge Polanco, who agreed to a two-year, $40 million deal to leave for New York, sources ...

The Rule 5 Draft was on Wednesday, and the Yankees lost right-handed pitcher Sean Hermann to the Seattle Mariners in the minor league portion of the draft. Hermann signed with the Yankees as an ...

The Seattle Mariners have put together one of the best farm systems in baseball over the last several seasons. At various points this past season, the Mariners had nine top 100 prospects according to ...

Today, we’re unveiling the 10 best prospects in the Mariners system entering 2026. The top of the Mariners system is headlined by Colt Emerson, an infielder advanced for his age who should bring a ...

Prior to the start of the MLB Winter Meetings, the Seattle Mariners traded away catcher Harry Ford, who was projected to be the backup catcher behind Cal Raleigh heading into 2026. TRADE: The ...